The Chorus modular devices make it possible to create infinite combination between devices and plates, thanks to a complete range that is able to satisfy all design, functional and installation requirements.Colours and finishes: satin black, elegant and classy.Unlimited functions in reduced spaces: the Chorus range consists of button keys with ½, 1, 2 and 3 modules to optimise space as needed.Front coupling: the front coupling makes the component assembly and release operations simple and quick, enabling these to be completed without removing the support.